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Apophyllite
Apophyllite

Fluorite
Fluorite



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Apophyllite
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Fluorite

Apophyllite and Fluorite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
slightly water soluble and in hot hydrochloric acid

Durability

-
-

Specific Gravity

2.30-2.503.00-3.25
1 7.18
👆🏻

Fracture

Uneven
Subconchoidal, Uneven, ConchoidalWalter Schumann

Cleavage

Perfect on (001)
Octahedral, perfect on {111}, parting on {011}

Mohs Hardness

4.5-54
2 10
👆🏻

Chemical Composition

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
CaF2

Apophyllite and Fluorite Chemical Formula

While comparing Apophyllite and Fluorite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Apophyllite and Fluorite chemical formula.

  • Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
  • Chemical formula of Fluorite- CaF2

Apophyllite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.